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SUMMARY:Mara Ungureanu (University of Freiburg)
DTSTART:20210506T140000Z
DTEND:20210506T150000Z
DTSTAMP:20260423T053137Z
UID:ZAG/118
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/ZAG/118/">Co
 unts of secant planes to varieties\, Virasoro algebras\, and universal pol
 ynomials</a>\nby Mara Ungureanu (University of Freiburg) as part of ZAG (Z
 oom Algebraic Geometry) seminar\n\n\nAbstract\nFor a curve in projective s
 pace\, the varieties parametrising its secant planes are among the most st
 udied objects in classical enumerative geometry.  We shall start with an i
 ntroduction to secant varieties and explain the role of degeneration argum
 ents in understanding their geometry.  We shall then explore the connectio
 n between the enumerative geometry of secant varieties and Virasoro algebr
 as on one side\, and tautological integrals on the other.\n
LOCATION:https://researchseminars.org/talk/ZAG/118/
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